EP0244023A1 - Emballage pour objets relativement rigides et méthode d'emballage d'électrodes - Google Patents

Emballage pour objets relativement rigides et méthode d'emballage d'électrodes Download PDF

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Publication number
EP0244023A1
EP0244023A1 EP87200763A EP87200763A EP0244023A1 EP 0244023 A1 EP0244023 A1 EP 0244023A1 EP 87200763 A EP87200763 A EP 87200763A EP 87200763 A EP87200763 A EP 87200763A EP 0244023 A1 EP0244023 A1 EP 0244023A1
Authority
EP
European Patent Office
Prior art keywords
layer
electrodes
polyethylene
packaging material
aluminum foil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP87200763A
Other languages
German (de)
English (en)
Other versions
EP0244023B1 (fr
Inventor
Petrus Egbertus Gerardus Schraven
Jan Arnoldus Maria Hyacintus Jacobs
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Smitweld BV
Original Assignee
Smitweld BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Smitweld BV filed Critical Smitweld BV
Priority to AT87200763T priority Critical patent/ATE55962T1/de
Publication of EP0244023A1 publication Critical patent/EP0244023A1/fr
Application granted granted Critical
Publication of EP0244023B1 publication Critical patent/EP0244023B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B19/00—Packaging rod-shaped or tubular articles susceptible to damage by abrasion or pressure, e.g. cigarettes, cigars, macaroni, spaghetti, drinking straws or welding electrodes
    • B65B19/34—Packaging other rod-shaped articles, e.g. sausages, macaroni, spaghetti, drinking straws, welding electrodes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/20—Containers, packaging elements or packages, specially adapted for particular articles or materials for incompressible or rigid rod-shaped or tubular articles
    • B65D85/26—Containers, packaging elements or packages, specially adapted for particular articles or materials for incompressible or rigid rod-shaped or tubular articles for welding electrodes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
    • Y10T428/24446—Wrinkled, creased, crinkled or creped
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
    • Y10T428/24446—Wrinkled, creased, crinkled or creped
    • Y10T428/24455—Paper
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • Y10T428/265—1 mil or less
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31678—Of metal
    • Y10T428/31692—Next to addition polymer from unsaturated monomers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31678—Of metal
    • Y10T428/31703—Next to cellulosic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31971—Of carbohydrate
    • Y10T428/31993—Of paper

Definitions

  • the invention relates to a packaging material for relative­ly rigid objects, said material consisting of a metal foil covered with a layer of plastic material.
  • the invention furthermore relates to a method for packing electrodes by supplying such a packaging material in two layers to a packing unit and applying the two layers adhering to each other.
  • a package for sterile objects, which are used by a surgeon, is known from U.S. patent 4,434,567. It is stated therein that the package may be made of conventional materials such as a plastic coated metal, glass, plastic film or sheet, plastic coated metal foil or metallized paper or other packaging material impervious to liquid and inert to its contents. From British patent 1,263,217 a packaging material is known for packaging sutures which may be used in surgery, whereby it is important that the sutures prepared from polyglycolic acid are packed in dry conditions and that during storage no moisture penetrates into the package because this would attack the suture of polyglycolic acid and strongly reduce its usability.
  • the invention is especially directed to finding a packaging material for electrodes whereby the packaging material can also be used to package welding flux, welding wires and backing-up strips or other objects which can be compared therewith.
  • Electrodes which do not have to meet special requirements are packed in cardboard boxes, as is known on the market, whilst elec­trodes which need to be stored under dry circumstances are packed in hermetically sealed cans. Therefore the invention especially relates to a packaging material to package electrodes which up to now were stored in tins, said electrodes being of a type such as described in the British patent application 2,070,976, titled: "Process for production of a low hydrogen type covered arc-electrode".
  • Low hydrogen covered electrodes are used for welding opera­tions where high standards are set for the welding material in welded joints in structural steel kinds such as Fe E355 or Fe E450, such as are used in e.g. offshore oil and gas producing platforms.
  • One of the stan­dards to be set thereby is that the electrode to be used has a low moisture content, especially a moisture content so low that the quantity of hydrogen in the welding metal is less than 5 ml per 100 g of melted down welding metal.
  • Usual instructions in connection with thick-walled, rigid constructions require the redrying of coated electrodes at a temperature of 300-400 °C when they are supplied in a package which is not completely moisture-proof.
  • coated electrodes it is necessary for coated electrodes to be stored in a dry atmosphere after the redrying treatment, which can be achieved e.g. in warm storage cabinets or tubes at a tempe­rature of about 75-150 °C. Any certainty that these instructions are carried out completely and accurately is not given. These operations also cause important substantial labour expenses.
  • the absorption of moisture by coated electrodes before welding of the electrodes may lead to an undesired high level of diffusable hydrogen as a result of which the risk of cracks initiated by hydrogen is present in the heavy and rigid steel constructions mentioned above.
  • a moisture-proof package which has been used so far in this field is a hermetically sealed can, but such a package of tinplate usually contains about 25 kg of electrodes, which corresponds with 400-500 electrodes which cannot be processed within a time span of 4 hours by a welder. Therefore it is necessary for the electrodes from such a can to be stored in the above-mentioned warm storage cabinets or tubes when the can has been open longer than 4 hours.
  • packaging material is characterized in that an aluminum foil is applied on a creped basic layer of a plastic material or paper, said foil being provided with a protective layer.
  • Very thin aluminum foil already provides sufficient moisture impermeable action, but the thinner the foil the larger the chance of "pin-holes" being present in the foil. Therefore it is preferred to process two relatively thin aluminum foils into the packa­ging material, so that the chance of two "pin-holes" being located on each other is neglectably small.
  • the creped basic layer may be produced from a plastic material such as polyethylene or polypropylene coated with an aluminum foil by gluing or the like.
  • a plastic material such as polyethylene or polypropylene coated with an aluminum foil by gluing or the like.
  • creped paper is used for the basic layer and polyethylene for the plastic material.
  • crepe paper is on both sides provided with an adhesive layer of polyethylene coated with an aluminum foil on both sides.
  • the aluminum foil is covered with polyethylene so that the electrodes cannot damage the aluminum foil and also provided with a further polyethylene layer with which the package can be sealed or closed.
  • the aluminum foil is provided with a protective layer so that the package is resistant against un­desired mechanical influences from outside.
  • reference number 1 indicates the package and 2 indicates the electrode, which electrode has a holder end 3 and a starting head 4.
  • the package also has a sealed seam 5 and a tear-open notch 6.
  • a preferred packaging material is built up from the inside to the outside from: 90-110 g/m2 sealing film of polyethylene, 100-120 g/m2 protecting layer of polyethylene, 50-60 g/m2 aluminum foil, 40-50 g/m2 adhesive or protecting layer of polyethylene, 60-80 g/m2 creped paper with 40% stretch (40% creping), 30-50 g/m2 adhesive or protecting layer of polyethylene, 20-25 g/m2 aluminum foil, 20-25 g/m2 protective layer of polyethylene and 20 ⁇ m transparent polyethylene film.
  • the package according to the invention is built up from: a sealing film of polyethylene with a thickness of about 110 ⁇ m in a quantity of 90 g/m2; for this purpose polyethylene with a low density may be used with 5 weight% of vinylacetate (melting index according to ASTM D 1238 of 5.5 g/10 minutes and a density according to ASTM D 1505 of 0.922 g/cm3) , a protecting layer of polyethylene having a thickness of about 115 ⁇ m in an amount of 100 g/m2; as such a foil one can use low density polyethylene such as having a melting index according to ASTM D 1238 of 8 g/10 minutes and a density according to ASTM D 1505 of 0.915 g/cm3, an aluminum foil with a thickness of 20 ⁇ m in a quantity of 55 g/m2, a coating of polyethylene with a thickness of 50 ⁇ m and in a quantity of 45 g/m2, a layer of crepe paper in a quantity of 60
  • the purpose of the inner layers of polyethylene with a total thickness of about 225 ⁇ m is to protect the aluminum foil from the comparatively rough surface of the electrodes so that the aluminum foil is not perforated.
  • the method according to the invention to package electrodes in a packaging material as described above is characterized in that the material is supplied to a packing unit as an upper and lower layer, the electrodes are provided on the lower layer, the upper layer is provided and the upper and the lower layers are adhered together and the package is cut off at package length.
  • the two layers are preferably at first adhered together in a limited number of spots to maintain their form and a vacuum is generated.
  • the package is preferably sealed and the sealed seam is cooled and subsequently the package is cut off at package length.
  • the upper and lower layers are stressed and pre-formed in a pre-heated die so that electrodes can be provided to fit therein.
  • the electrodes with a length of 350-450 mm, the diameter of the core being 2.5-6 mm around which a ceramic mass with a diameter of 4-13 mm is pro­vided, are maintained at a temperature of about 40 °C before being packed. Of these electrodes especially the starting heads must be protected from shocks.
  • the packaging material is supplied from reels, viz. one reel for supplying the upper layer and one reel for supplying the lower layer.
  • unwinding the packaging material i.e. both the lower layer and the upper layers are kept under tension, which tension is also maintained when the sheets of the packaging material are not moving.
  • the upper and lower layers are pre-formed in a heated die.
  • the pre-formed upper and lower layers can together be formed to a tube with a height varying from 7 to 25 mm, dependent on the number of layers and the thickness of the electrodes being packed.
  • the upper and lower layers are brough together after the electrodes have been provided on the lower layer.
  • the upper and lower layers are spot-­sealed on several spots so that the form of the tube is maintained.
  • the ends of that tube are pressed flat and the tube is supplied to a vacuum cabinet in which a vacuum of 60-90% of one atmosphere is generated, so that in the vacuum cabinet there is a pressure of 0.1-0.4 atmosphere.
  • the tube In the vacuum cabinet the tube is completely sealed and the sealed seam is cooled or the upper and lower layers are adhered together in a different manner. Subsequently the tube is removed from the vacuum cabinet and cut off at package length so that a package with electrodes according to the invention has been obtained.
  • the sealed seam is obtained as a continuous seam without overlappings, so that the best possible connection of the upper layer to the lower layer is obtained. Sealing or adhering takes place by heating the layers of the packaging material at the outside of the package whereby within a time of about 4 seconds a temperature of about 180 °C is obtained, dependent on the composition of the polyethy­lene comprising adhesive layer. During sealing the lower layer and the upper layer are pressed together at the outer adge.
  • a tube preferably 1-5 layers of electrodes may be provided above one another, so that such a package usually has a weight of about 1-4 kg. It will of course also be possible to pack one single electrode in this way whereby such a packed electrode will fall within the scope of the present invention as long as a packaging materi­al is used as mentioned in the following claims, or that a method is used as mentioned in the method claims.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Laminated Bodies (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
  • Wrappers (AREA)
EP87200763A 1986-04-29 1987-04-23 Emballage pour objets relativement rigides et méthode d'emballage d'électrodes Expired - Lifetime EP0244023B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87200763T ATE55962T1 (de) 1986-04-29 1987-04-23 Verpackung fuer verhaeltnismaessig steife gegenstaende und verfahren zum verpacken von elektroden.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8601090 1986-04-29
NL8601090A NL8601090A (nl) 1986-04-29 1986-04-29 Werkwijze voor het verpakken van elektroden en daarbij toe te passen verpakkingsmateriaal.

Publications (2)

Publication Number Publication Date
EP0244023A1 true EP0244023A1 (fr) 1987-11-04
EP0244023B1 EP0244023B1 (fr) 1990-08-29

Family

ID=19847946

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87200763A Expired - Lifetime EP0244023B1 (fr) 1986-04-29 1987-04-23 Emballage pour objets relativement rigides et méthode d'emballage d'électrodes

Country Status (7)

Country Link
US (1) US4840831A (fr)
EP (1) EP0244023B1 (fr)
AT (1) ATE55962T1 (fr)
DE (1) DE3764530D1 (fr)
ES (1) ES2018815B3 (fr)
NL (1) NL8601090A (fr)
NO (1) NO169761C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1712321A1 (fr) * 2005-04-12 2006-10-18 Oerlikon Schweisstechnik Gmbh Emballage de conditionnement de flux de soudage, comportant une structure 'sandwich' de type polymère/feuille métallique ; Procédé de conditionnement d'un flux de soudage dans un tel emballage ; Procédé de soudage à l'arc mettant en oeuvre un flux de soudage conditionné dans un tel emballage

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6133172A (en) * 1997-01-08 2000-10-17 Owens Corning Fiberglas Technology, Inc. Fibrous moldable media containing a foamed resin dispersed throughout useful as thermal and acoustical insulation
CA2323898A1 (fr) 1998-03-18 1999-09-23 Ntk Powerdex, Inc. Materiau pour enveloppes de batteries hermetiques
US8684179B2 (en) 2007-12-31 2014-04-01 Lincoln Global, Inc. Insert having a reinforcement for container packaging
US10793344B2 (en) 2018-04-06 2020-10-06 Lincoln Global, Inc. Hermetically sealed pouch for elongated objects

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1550947A (fr) * 1968-01-11 1968-12-20
GB1263217A (en) * 1970-06-02 1972-02-09 American Cyanamid Co Storage stable package for absorbable polyglycolic acid sutures, and method for preparing same
US4437567A (en) * 1982-01-27 1984-03-20 The Kendall Company Sterile package and method of making
EP0109465A1 (fr) * 1982-11-23 1984-05-30 American Can Company Structure flexible multicouche pour emballage et tube fabriqué à partir d'une telle structure

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3896991A (en) * 1973-02-28 1975-07-29 Edward C Kozlowski Composite flexible, semi-rigid materials and process for making same
US4487796A (en) * 1981-07-02 1984-12-11 Kimberly-Clark Corporation Laminated, creped tissue and method of manufacture
JPH0219226Y2 (fr) * 1985-08-19 1990-05-28

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1550947A (fr) * 1968-01-11 1968-12-20
GB1263217A (en) * 1970-06-02 1972-02-09 American Cyanamid Co Storage stable package for absorbable polyglycolic acid sutures, and method for preparing same
US4437567A (en) * 1982-01-27 1984-03-20 The Kendall Company Sterile package and method of making
EP0109465A1 (fr) * 1982-11-23 1984-05-30 American Can Company Structure flexible multicouche pour emballage et tube fabriqué à partir d'une telle structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1712321A1 (fr) * 2005-04-12 2006-10-18 Oerlikon Schweisstechnik Gmbh Emballage de conditionnement de flux de soudage, comportant une structure 'sandwich' de type polymère/feuille métallique ; Procédé de conditionnement d'un flux de soudage dans un tel emballage ; Procédé de soudage à l'arc mettant en oeuvre un flux de soudage conditionné dans un tel emballage
WO2006108981A1 (fr) * 2005-04-12 2006-10-19 Oerlikon Schweisstechnik Gmbh Emballage de conditionnement de flux de soudage , comportant une structure ' sandwich ' de type polymere/ feuille metallique ; procede de conditionnement d ' un flux de soudage dans un tel emballage ; procede de soudage a l ' arc mettant en oeuvre un flux de soudage conditionne dans un tel emballage

Also Published As

Publication number Publication date
ES2018815B3 (es) 1991-05-16
DE3764530D1 (de) 1990-10-04
EP0244023B1 (fr) 1990-08-29
NO871649D0 (no) 1987-04-22
NO169761C (no) 1992-08-05
NO169761B (no) 1992-04-27
NO871649L (no) 1987-10-30
US4840831A (en) 1989-06-20
ATE55962T1 (de) 1990-09-15
NL8601090A (nl) 1987-11-16

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